以支持导弹打击大型移动目标为例，以命中目标概率为作战效能指标，建立了光学成像侦察卫星作战效能模型。
Taking missile attacking large size moving target as example, the operational effectiveness model of the satellite was built with probability of hitting target as measure of effectiveness.
近几周来，美国及其亚洲盟友已经侦察到了平壤的一些动作，他们说这些迹象显示平壤正在准备试射远程大浦洞- 2号导弹。
The U. S. and its Asian Allies have detected in recent weeks what they have said are signs that Pyongyang is preparing to test-launch its long-range Taepodong-2 missile.
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